102012011211020 has 12 divisors (see below), whose sum is σ = 214225223543184. Its totient is φ = 40804804484400.

The previous prime is 102012011210999. The next prime is 102012011211031. The reversal of 102012011211020 is 20112110210201.

It is a junction number, because it is equal to n+sod(n) for n = 102012011210986 and 102012011211004.

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, 2550300280256 + ... + 2550300280295.

It is an arithmetic number, because the mean of its divisors is an integer number (17852101961932).

Almost surely, 2^{102012011211020} is an apocalyptic number.

102012011211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012011211020 is an abundant number, since it is smaller than the sum of its proper divisors (112213212332164).

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

102012011211020 is a wasteful number, since it uses less digits than its factorization.

102012011211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100600560560 (or 5100600560558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102012011211020 its reverse (20112110210201), we get a palindrome (122124121421221).

The spelling of 102012011211020 in words is "one hundred two trillion, twelve billion, eleven million, two hundred eleven thousand, twenty".