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1220022022101 = 31376592954213
BaseRepresentation
bin10001110000001110111…
…110101010111111010101
311022122002102200012212120
4101300032332222333111
5124442101114201401
62332245334010153
7154100166040221
oct21601676527725
94278072605776
101220022022101
114304546976a3
12178546aa6959
138b08070326c
1443099703781
1521b07856836
hex11c0efaafd5

1220022022101 has 8 divisors (see below), whose sum is σ = 1626708396960. Its totient is φ = 813341830992.

The previous prime is 1220022022073. The next prime is 1220022022139. The reversal of 1220022022101 is 1012202200221.

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

It is not a de Polignac number, because 1220022022101 - 226 = 1219954913237 is a prime.

It is a super-2 number, since 2×12200220221012 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220022022301) 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, 1064130 + ... + 1890083.

It is an arithmetic number, because the mean of its divisors is an integer number (203338549620).

Almost surely, 21220022022101 is an apocalyptic number.

It is an amenable number.

1220022022101 is a deficient number, since it is larger than the sum of its proper divisors (406686374859).

1220022022101 is a wasteful number, since it uses less digits than its factorization.

1220022022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091875.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220022022101 its reverse (1012202200221), we get a palindrome (2232224222322).

The spelling of 1220022022101 in words is "one trillion, two hundred twenty billion, twenty-two million, twenty-two thousand, one hundred one".

Divisors: 1 3 137659 412977 2954213 8862639 406674007367 1220022022101