121011100001210 has 32 divisors (see below), whose sum is σ = 221391843408000. Its totient is φ = 47610700061760.

The previous prime is 121011100001131. The next prime is 121011100001261. The reversal of 121011100001210 is 12100001110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011100001191 and 121011100001200.

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, 197846441 + ... + 198457139.

It is an arithmetic number, because the mean of its divisors is an integer number (6918495106500).

Almost surely, 2^{121011100001210} is an apocalyptic number.

121011100001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121011100001210 is a deficient number, since it is larger than the sum of its proper divisors (100380743406790).

121011100001210 is a wasteful number, since it uses less digits than its factorization.

121011100001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935606.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121011100001210 its reverse (12100001110121), we get a palindrome (133111101111331).

The spelling of 121011100001210 in words is "one hundred twenty-one trillion, eleven billion, one hundred million, one thousand, two hundred ten".