1012211020019 has 16 divisors (see below), whose sum is σ = 1115891453376. Its totient is φ = 914196710400.

The previous prime is 1012211020001. The next prime is 1012211020021. The reversal of 1012211020019 is 9100201122101.

It is a cyclic number.

It is not a de Polignac number, because 1012211020019 - 2³⁶ = 943491543283 is a prime.

It is a super-2 number, since 2×1012211020019² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012211020039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11861087 + ... + 11946120.

It is an arithmetic number, because the mean of its divisors is an integer number (69743215836).

Almost surely, 2^{1012211020019} is an apocalyptic number.

1012211020019 is a deficient number, since it is larger than the sum of its proper divisors (103680433357).

1012211020019 is a wasteful number, since it uses less digits than its factorization.

1012211020019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23807326.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1012211020019 in words is "one trillion, twelve billion, two hundred eleven million, twenty thousand, nineteen".