102211213420 has 24 divisors (see below), whose sum is σ = 214661248704. Its totient is φ = 40881113856.

The previous prime is 102211213411. The next prime is 102211213421. The reversal of 102211213420 is 24312112201.

It is not an unprimeable number, because it can be changed into a prime (102211213421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45469 + ... + 454411.

It is an arithmetic number, because the mean of its divisors is an integer number (8944218696).

Almost surely, 2^102211213420 is an apocalyptic number.

102211213420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211213420 is an abundant number, since it is smaller than the sum of its proper divisors (112450035284).

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

102211213420 is a wasteful number, since it uses less digits than its factorization.

102211213420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421449 (or 421447 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102211213420 its reverse (24312112201), we get a palindrome (126523325621).

The spelling of 102211213420 in words is "one hundred two billion, two hundred eleven million, two hundred thirteen thousand, four hundred twenty".