1020021011102 has 8 divisors (see below), whose sum is σ = 1540300185000. Its totient is φ = 506587616104.

The previous prime is 1020021011101. The next prime is 1020021011111. The reversal of 1020021011102 is 2011101200201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020021011101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711444352 + ... + 1711444947.

It is an arithmetic number, because the mean of its divisors is an integer number (192537523125).

Almost surely, 2^{1020021011102} is an apocalyptic number.

1020021011102 is a deficient number, since it is larger than the sum of its proper divisors (520279173898).

1020021011102 is a wasteful number, since it uses less digits than its factorization.

1020021011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422889450.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020021011102 its reverse (2011101200201), we get a palindrome (3031122211303).

The spelling of 1020021011102 in words is "one trillion, twenty billion, twenty-one million, eleven thousand, one hundred two".