121100102111002 has 64 divisors (see below), whose sum is σ = 210438416793600. Its totient is φ = 51193438369920.

The previous prime is 121100102110969. The next prime is 121100102111011. The reversal of 121100102111002 is 200111201001121.

It is a happy number.

It is a super-2 number, since 2×121100102111002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 887742933 + ... + 887879335.

It is an arithmetic number, because the mean of its divisors is an integer number (3288100262400).

Almost surely, 2^{121100102111002} is an apocalyptic number.

121100102111002 is a deficient number, since it is larger than the sum of its proper divisors (89338314682598).

121100102111002 is a wasteful number, since it uses less digits than its factorization.

121100102111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138211.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121100102111002 its reverse (200111201001121), we get a palindrome (321211303112123).

The spelling of 121100102111002 in words is "one hundred twenty-one trillion, one hundred billion, one hundred two million, one hundred eleven thousand, two".