1012112211002 has 4 divisors (see below), whose sum is σ = 1518168316506. Its totient is φ = 506056105500.

The previous prime is 1012112210971. The next prime is 1012112211017. The reversal of 1012112211002 is 2001122112101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 988574821441 + 23537389561 = 994271^2 + 153419^2 .

It is a super-2 number, since 2×1012112211002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253028052749 + ... + 253028052752.

Almost surely, 2^{1012112211002} is an apocalyptic number.

1012112211002 is a deficient number, since it is larger than the sum of its proper divisors (506056105504).

1012112211002 is an equidigital number, since it uses as much as digits as its factorization.

1012112211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506056105503.

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

Adding to 1012112211002 its reverse (2001122112101), we get a palindrome (3013234323103).

The spelling of 1012112211002 in words is "one trillion, twelve billion, one hundred twelve million, two hundred eleven thousand, two".