101020221220210 has 32 divisors (see below), whose sum is σ = 192533296643712. Its totient is φ = 38031015740160.

The previous prime is 101020221220181. The next prime is 101020221220213. The reversal of 101020221220210 is 12022122020101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101020221220213) 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, 62178069 + ... + 63782071.

It is an arithmetic number, because the mean of its divisors is an integer number (6016665520116).

Almost surely, 2^{101020221220210} is an apocalyptic number.

101020221220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101020221220210 is a deficient number, since it is larger than the sum of its proper divisors (91513075423502).

101020221220210 is a wasteful number, since it uses less digits than its factorization.

101020221220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974498.

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

Adding to 101020221220210 its reverse (12022122020101), we get a palindrome (113042343240311).

The spelling of 101020221220210 in words is "one hundred one trillion, twenty billion, two hundred twenty-one million, two hundred twenty thousand, two hundred ten".