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1222010211101 = 10142128738981
BaseRepresentation
bin10001110010000101011…
…111000000101100011101
311022211012222210200110012
4101302011133000230131
5130010134103223401
62333214515453005
7154200360260501
oct21620537005435
94284188720405
101222010211101
114312849a74a9
12178a008b7165
138b3095a3664
14432077a6301
1521bc21848bb
hex11c857c0b1d

1222010211101 has 8 divisors (see below), whose sum is σ = 1237040741208. Its totient is φ = 1207037160000.

The previous prime is 1222010211083. The next prime is 1222010211167. The reversal of 1222010211101 is 1011120102221.

It can be written as a sum of positive squares in 4 ways, for example, as 99202951225 + 1122807259876 = 314965^2 + 1059626^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222010211101 - 234 = 1204830341917 is a prime.

It is a super-2 number, since 2×12220102111012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222010216101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14326970 + ... + 14412011.

It is an arithmetic number, because the mean of its divisors is an integer number (154630092651).

Almost surely, 21222010211101 is an apocalyptic number.

It is an amenable number.

1222010211101 is a deficient number, since it is larger than the sum of its proper divisors (15030530107).

1222010211101 is a wasteful number, since it uses less digits than its factorization.

1222010211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28739503.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1222010211101 its reverse (1011120102221), we get a palindrome (2233130313322).

The spelling of 1222010211101 in words is "one trillion, two hundred twenty-two billion, ten million, two hundred eleven thousand, one hundred one".

Divisors: 1 101 421 42521 28738981 2902637081 12099111001 1222010211101