10220021221012 has 48 divisors (see below), whose sum is σ = 18443689528320. Its totient is φ = 4953086611200.

The previous prime is 10220021220979. The next prime is 10220021221087. The reversal of 10220021221012 is 21012212002201.

It is a happy number.

It is a super-2 number, since 2×10220021221012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 9533973 + ... + 10551619.

It is an arithmetic number, because the mean of its divisors is an integer number (384243531840).

Almost surely, 2^{10220021221012} is an apocalyptic number.

It is an amenable number.

10220021221012 is a deficient number, since it is larger than the sum of its proper divisors (8223668307308).

10220021221012 is a wasteful number, since it uses less digits than its factorization.

10220021221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018312 (or 1018310 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10220021221012 its reverse (21012212002201), we get a palindrome (31232233223213).

The spelling of 10220021221012 in words is "ten trillion, two hundred twenty billion, twenty-one million, two hundred twenty-one thousand, twelve".