1021121201102 has 16 divisors (see below), whose sum is σ = 1637837971632. Its totient is φ = 475769923200.

The previous prime is 1021121201077. The next prime is 1021121201131. The reversal of 1021121201102 is 2011021211201.

It is a super-2 number, since 2×1021121201102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 148674668 + ... + 148681535.

It is an arithmetic number, because the mean of its divisors is an integer number (102364873227).

Almost surely, 2^{1021121201102} is an apocalyptic number.

1021121201102 is a deficient number, since it is larger than the sum of its proper divisors (616716770530).

1021121201102 is a wasteful number, since it uses less digits than its factorization.

1021121201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297356323.

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

Adding to 1021121201102 its reverse (2011021211201), we get a palindrome (3032142412303).

The spelling of 1021121201102 in words is "one trillion, twenty-one billion, one hundred twenty-one million, two hundred one thousand, one hundred two".