211102032020 has 24 divisors (see below), whose sum is σ = 483615564768. Its totient is φ = 76764375200.

The previous prime is 211102032017. The next prime is 211102032049. The reversal of 211102032020 is 20230201112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211102031986 and 211102032004.

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, 479777126 + ... + 479777565.

It is an arithmetic number, because the mean of its divisors is an integer number (20150648532).

Almost surely, 2^211102032020 is an apocalyptic number.

211102032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211102032020 is an abundant number, since it is smaller than the sum of its proper divisors (272513532748).

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

211102032020 is a wasteful number, since it uses less digits than its factorization.

211102032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959554711 (or 959554709 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 211102032020 its reverse (20230201112), we get a palindrome (231332233132).

The spelling of 211102032020 in words is "two hundred eleven billion, one hundred two million, thirty-two thousand, twenty".