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1220102101011 = 31851492196613
BaseRepresentation
bin10001110000010011110…
…000001001100000010011
311022122022000100122111010
4101300103300021200103
5124442232114213021
62332301314222003
7154102160512353
oct21602360114023
94278260318433
101220102101011
11430495912112
12178569884903
138b094190531
14430a61cab63
1521b0e8c3976
hex11c13c09813

1220102101011 has 8 divisors (see below), whose sum is σ = 1626812328400. Its totient is φ = 813396637152.

The previous prime is 1220102100961. The next prime is 1220102101069. The reversal of 1220102101011 is 1101012010221.

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

It is not a de Polignac number, because 1220102101011 - 210 = 1220102099987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220102101711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542860 + ... + 1653753.

It is an arithmetic number, because the mean of its divisors is an integer number (203351541050).

Almost surely, 21220102101011 is an apocalyptic number.

1220102101011 is a deficient number, since it is larger than the sum of its proper divisors (406710227389).

1220102101011 is a wasteful number, since it uses less digits than its factorization.

1220102101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381765.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1220102101011 its reverse (1101012010221), we get a palindrome (2321114111232).

The spelling of 1220102101011 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred one thousand, eleven".

Divisors: 1 3 185149 555447 2196613 6589839 406700700337 1220102101011