121021222010 has 32 divisors (see below), whose sum is σ = 234700139520. Its totient is φ = 44664729408.

The previous prime is 121021222009. The next prime is 121021222039. The reversal of 121021222010 is 10222120121.

It is a super-2 number, since 2×121021222010² (a number of 23 digits) contains 22 as substring.

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, 84071 + ... + 499109.

It is an arithmetic number, because the mean of its divisors is an integer number (7334379360).

Almost surely, 2^121021222010 is an apocalyptic number.

121021222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021222010 is a deficient number, since it is larger than the sum of its proper divisors (113678917510).

121021222010 is a wasteful number, since it uses less digits than its factorization.

121021222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417302.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121021222010 its reverse (10222120121), we get a palindrome (131243342131).

The spelling of 121021222010 in words is "one hundred twenty-one billion, twenty-one million, two hundred twenty-two thousand, ten".