1022112101002 has 16 divisors (see below), whose sum is σ = 1558352962152. Its totient is φ = 502661661120.

The previous prime is 1022112100987. The next prime is 1022112101009. The reversal of 1022112101002 is 2001012112201.

It can be written as a sum of positive squares in 4 ways, for example, as 53661259201 + 968450841801 = 231649^2 + 984099^2 .

It is not an unprimeable number, because it can be changed into a prime (1022112101009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4164988 + ... + 4403560.

Almost surely, 2^{1022112101002} is an apocalyptic number.

1022112101002 is a deficient number, since it is larger than the sum of its proper divisors (536240861150).

1022112101002 is a wasteful number, since it uses less digits than its factorization.

1022112101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273753.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1022112101002 its reverse (2001012112201), we get a palindrome (3023124213203).

The spelling of 1022112101002 in words is "one trillion, twenty-two billion, one hundred twelve million, one hundred one thousand, two".