110011211021121 has 16 divisors (see below), whose sum is σ = 147617593132224. Its totient is φ = 72872828892864.

The previous prime is 110011211021081. The next prime is 110011211021123. The reversal of 110011211021121 is 121120112110011.

It is not a de Polignac number, because 110011211021121 - 2¹³ = 110011211012929 is a prime.

It is a super-2 number, since 2×110011211021121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 110011211021121.

It is not an unprimeable number, because it can be changed into a prime (110011211021123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40993846 + ... + 43594928.

It is an arithmetic number, because the mean of its divisors is an integer number (9226099570764).

Almost surely, 2^{110011211021121} is an apocalyptic number.

It is an amenable number.

110011211021121 is a deficient number, since it is larger than the sum of its proper divisors (37606382111103).

110011211021121 is a wasteful number, since it uses less digits than its factorization.

110011211021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691040.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 110011211021121 its reverse (121120112110011), we get a palindrome (231131323131132).

The spelling of 110011211021121 in words is "one hundred ten trillion, eleven billion, two hundred eleven million, twenty-one thousand, one hundred twenty-one".