211122012030 has 16 divisors (see below), whose sum is σ = 506692828944. Its totient is φ = 56299203200.

The previous prime is 211122012007. The next prime is 211122012121. The reversal of 211122012030 is 30210221112.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 3518700171 + ... + 3518700230.

It is an arithmetic number, because the mean of its divisors is an integer number (31668301809).

Almost surely, 2^211122012030 is an apocalyptic number.

211122012030 is an abundant number, since it is smaller than the sum of its proper divisors (295570816914).

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

211122012030 is a wasteful number, since it uses less digits than its factorization.

211122012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037400411.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211122012030 its reverse (30210221112), we get a palindrome (241332233142).

The spelling of 211122012030 in words is "two hundred eleven billion, one hundred twenty-two million, twelve thousand, thirty".