122010010110021 has 16 divisors (see below), whose sum is σ = 177503032286208. Its totient is φ = 73931324559600.

The previous prime is 122010010110019. The next prime is 122010010110041. The reversal of 122010010110021 is 120011010010221.

It is not a de Polignac number, because 122010010110021 - 2¹ = 122010010110019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122010010109979 and 122010010110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010010110041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353227591 + ... + 353572836.

It is an arithmetic number, because the mean of its divisors is an integer number (11093939517888).

Almost surely, 2^{122010010110021} is an apocalyptic number.

122010010110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122010010110021 is a deficient number, since it is larger than the sum of its proper divisors (55493022176187).

122010010110021 is a wasteful number, since it uses less digits than its factorization.

122010010110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706805672.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122010010110021 its reverse (120011010010221), we get a palindrome (242021020120242).

The spelling of 122010010110021 in words is "one hundred twenty-two trillion, ten billion, ten million, one hundred ten thousand, twenty-one".