121011202010 has 16 divisors (see below), whose sum is σ = 217878487200. Its totient is φ = 48391520016.

The previous prime is 121011201977. The next prime is 121011202021. The reversal of 121011202010 is 10202110121.

It is a super-2 number, since 2×121011202010² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121011201982 and 121011202000.

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, 1580840 + ... + 1655619.

It is an arithmetic number, because the mean of its divisors is an integer number (13617405450).

Almost surely, 2^121011202010 is an apocalyptic number.

121011202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121011202010 is a deficient number, since it is larger than the sum of its proper divisors (96867285190).

121011202010 is a wasteful number, since it uses less digits than its factorization.

121011202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240205.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121011202010 its reverse (10202110121), we get a palindrome (131213312131).

The spelling of 121011202010 in words is "one hundred twenty-one billion, eleven million, two hundred two thousand, ten".