20212122100210 has 64 divisors (see below), whose sum is σ = 37607029608960. Its totient is φ = 7816184965120.

The previous prime is 20212122100201. The next prime is 20212122100211. The reversal of 20212122100210 is 1200122121202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20212122100211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228965061 + ... + 229053319.

It is an arithmetic number, because the mean of its divisors is an integer number (587609837640).

Almost surely, 2^{20212122100210} is an apocalyptic number.

20212122100210 is a deficient number, since it is larger than the sum of its proper divisors (17394907508750).

20212122100210 is a wasteful number, since it uses less digits than its factorization.

20212122100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93363.

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

Adding to 20212122100210 its reverse (1200122121202), we get a palindrome (21412244221412).

The spelling of 20212122100210 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, one hundred thousand, two hundred ten".