101220111202000 has 160 divisors (see below), whose sum is σ = 279743047084800. Its totient is φ = 34700502182400.

The previous prime is 101220111201971. The next prime is 101220111202027. The reversal of 101220111202000 is 202111022101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138922647 + ... + 139649353.

It is an arithmetic number, because the mean of its divisors is an integer number (1748394044280).

Almost surely, 2^{101220111202000} is an apocalyptic number.

101220111202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101220111202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139871523542400).

101220111202000 is an abundant number, since it is smaller than the sum of its proper divisors (178522935882800).

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

101220111202000 is an equidigital number, since it uses as much as digits as its factorization.

101220111202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736686 (or 736670 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101220111202000 its reverse (202111022101), we get a palindrome (101422222224101).

The spelling of 101220111202000 in words is "one hundred one trillion, two hundred twenty billion, one hundred eleven million, two hundred two thousand".