121021222001010 has 32 divisors (see below), whose sum is σ = 290451230239680. Its totient is φ = 32272292818368.

The previous prime is 121021222001003. The next prime is 121021222001023. The reversal of 121021222001010 is 10100222120121.

It is a super-2 number, since 2×121021222001010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 46229964 + ... + 48777576.

It is an arithmetic number, because the mean of its divisors is an integer number (9076600944990).

Almost surely, 2^{121021222001010} is an apocalyptic number.

121021222001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021222001010 is an abundant number, since it is smaller than the sum of its proper divisors (169430008238670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121021222001010 is a wasteful number, since it uses less digits than its factorization.

121021222001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131082.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121021222001010 its reverse (10100222120121), we get a palindrome (131121444121131).

The spelling of 121021222001010 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred twenty-two million, one thousand, ten".