212002102101022 has 64 divisors (see below), whose sum is σ = 342552097704960. Its totient is φ = 98087182502400.

The previous prime is 212002102100837. The next prime is 212002102101029. The reversal of 212002102101022 is 220101201200212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212002102100987 and 212002102101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002102101029) 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, 4137327322 + ... + 4137378562.

It is an arithmetic number, because the mean of its divisors is an integer number (5352376526640).

Almost surely, 2^{212002102101022} is an apocalyptic number.

212002102101022 is a deficient number, since it is larger than the sum of its proper divisors (130549995603938).

212002102101022 is a wasteful number, since it uses less digits than its factorization.

212002102101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55937.

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

Adding to 212002102101022 its reverse (220101201200212), we get a palindrome (432103303301234).

The spelling of 212002102101022 in words is "two hundred twelve trillion, two billion, one hundred two million, one hundred one thousand, twenty-two".