10220121016 has 32 divisors (see below), whose sum is σ = 22313478240. Its totient is φ = 4297408128.

The previous prime is 10220121007. The next prime is 10220121029. The reversal of 10220121016 is 61012102201.

It is a congruent number.

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, 1718751 + ... + 1724686.

It is an arithmetic number, because the mean of its divisors is an integer number (697296195).

Almost surely, 2^10220121016 is an apocalyptic number.

It is an amenable number.

10220121016 is an abundant number, since it is smaller than the sum of its proper divisors (12093357224).

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

10220121016 is a wasteful number, since it uses less digits than its factorization.

10220121016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443503 (or 3443499 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10220121016 its reverse (61012102201), we get a palindrome (71232223217).

The spelling of 10220121016 in words is "ten billion, two hundred twenty million, one hundred twenty-one thousand, sixteen".