212100020121022 has 16 divisors (see below), whose sum is σ = 365339747577600. Its totient is φ = 91334936894040.

The previous prime is 212100020121001. The next prime is 212100020121037. The reversal of 212100020121022 is 220121020001212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212100020120987 and 212100020121005.

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, 253708157622 + ... + 253708158457.

It is an arithmetic number, because the mean of its divisors is an integer number (22833734223600).

Almost surely, 2^{212100020121022} is an apocalyptic number.

212100020121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212100020121022 is a deficient number, since it is larger than the sum of its proper divisors (153239727456578).

212100020121022 is a wasteful number, since it uses less digits than its factorization.

212100020121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507416316111.

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

Adding to 212100020121022 its reverse (220121020001212), we get a palindrome (432221040122234).

The spelling of 212100020121022 in words is "two hundred twelve trillion, one hundred billion, twenty million, one hundred twenty-one thousand, twenty-two".