10211010212220 has 24 divisors (see below), whose sum is σ = 28590828594384. Its totient is φ = 2722936056576.

The previous prime is 10211010212191. The next prime is 10211010212233. The reversal of 10211010212220 is 2221201011201.

It is a super-2 number, since 2×10211010212220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10211010212220.

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, 85091751709 + ... + 85091751828.

It is an arithmetic number, because the mean of its divisors is an integer number (1191284524766).

Almost surely, 2^{10211010212220} is an apocalyptic number.

10211010212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211010212220 is an abundant number, since it is smaller than the sum of its proper divisors (18379818382164).

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

10211010212220 is a wasteful number, since it uses less digits than its factorization.

10211010212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170183503549 (or 170183503547 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10211010212220 its reverse (2221201011201), we get a palindrome (12432211223421).

The spelling of 10211010212220 in words is "ten trillion, two hundred eleven billion, ten million, two hundred twelve thousand, two hundred twenty".