121100211122 has 16 divisors (see below), whose sum is σ = 198194828832. Its totient is φ = 55036981920.

The previous prime is 121100211107. The next prime is 121100211131. The reversal of 121100211122 is 221112001121.

It is a super-2 number, since 2×121100211122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121100211097 and 121100211106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282788 + ... + 567599.

It is an arithmetic number, because the mean of its divisors is an integer number (12387176802).

Almost surely, 2^121100211122 is an apocalyptic number.

121100211122 is a deficient number, since it is larger than the sum of its proper divisors (77094617710).

121100211122 is a wasteful number, since it uses less digits than its factorization.

121100211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856873.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121100211122 its reverse (221112001121), we get a palindrome (342212212243).

The spelling of 121100211122 in words is "one hundred twenty-one billion, one hundred million, two hundred eleven thousand, one hundred twenty-two".