2111420229988 has 12 divisors (see below), whose sum is σ = 3694995909612. Its totient is φ = 1055707112960.

The previous prime is 2111420229979. The next prime is 2111420230009. The reversal of 2111420229988 is 8899220241112.

It can be written as a sum of positive squares in 2 ways, for example, as 920598032484 + 1190822197504 = 959478^2 + 1091248^2 .

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, 1780008 + ... + 2718688.

It is an arithmetic number, because the mean of its divisors is an integer number (307916325801).

Almost surely, 2^{2111420229988} is an apocalyptic number.

It is an amenable number.

2111420229988 is a deficient number, since it is larger than the sum of its proper divisors (1583575679624).

2111420229988 is a wasteful number, since it uses less digits than its factorization.

2111420229988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501022 (or 1501020 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 2111420229988 in words is "two trillion, one hundred eleven billion, four hundred twenty million, two hundred twenty-nine thousand, nine hundred eighty-eight".