10101220211982 has 8 divisors (see below), whose sum is σ = 20202440423976. Its totient is φ = 3367073403992.

The previous prime is 10101220211963. The next prime is 10101220212019. The reversal of 10101220211982 is 28911202210101.

It is a sphenic number, since it is the product of 3 distinct primes.

10101220211982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841768350993 + ... + 841768351004.

It is an arithmetic number, because the mean of its divisors is an integer number (2525305052997).

Almost surely, 2^{10101220211982} is an apocalyptic number.

10101220211982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101220211982 is a wasteful number, since it uses less digits than its factorization.

10101220211982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683536702002.

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 10101220211982 in words is "ten trillion, one hundred one billion, two hundred twenty million, two hundred eleven thousand, nine hundred eighty-two".