101111021222010 has 32 divisors (see below), whose sum is σ = 251034259587840. Its totient is φ = 26033182475328.

The previous prime is 101111021222009. The next prime is 101111021222033. The reversal of 101111021222010 is 10222120111101.

It is a happy number.

It is a super-2 number, since 2×101111021222010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58109781442 + ... + 58109783181.

It is an arithmetic number, because the mean of its divisors is an integer number (7844820612120).

Almost surely, 2^{101111021222010} is an apocalyptic number.

101111021222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111021222010 is an abundant number, since it is smaller than the sum of its proper divisors (149923238365830).

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

101111021222010 is a wasteful number, since it uses less digits than its factorization.

101111021222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116219564662.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101111021222010 its reverse (10222120111101), we get a palindrome (111333141333111).

The spelling of 101111021222010 in words is "one hundred one trillion, one hundred eleven billion, twenty-one million, two hundred twenty-two thousand, ten".