101220212021110 has 32 divisors (see below), whose sum is σ = 224241700479552. Its totient is φ = 32034528639360.

The previous prime is 101220212021069. The next prime is 101220212021189. The reversal of 101220212021110 is 11120212022101.

It is a super-2 number, since 2×101220212021110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55615500201 + ... + 55615502020.

It is an arithmetic number, because the mean of its divisors is an integer number (7007553139986).

Almost surely, 2^{101220212021110} is an apocalyptic number.

101220212021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220212021110 is an abundant number, since it is smaller than the sum of its proper divisors (123021488458442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101220212021110 is a wasteful number, since it uses less digits than its factorization.

101220212021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111231002248.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101220212021110 its reverse (11120212022101), we get a palindrome (112340424043211).

Subtracting from 101220212021110 its reverse (11120212022101), we obtain a palindrome (90099999999009).

The spelling of 101220212021110 in words is "one hundred one trillion, two hundred twenty billion, two hundred twelve million, twenty-one thousand, one hundred ten".