121106205702 has 40 divisors (see below), whose sum is σ = 272731338000. Its totient is φ = 40165866576.

The previous prime is 121106205677. The next prime is 121106205721. The reversal of 121106205702 is 207502601121.

121106205702 is a `hidden beast` number, since 1 + 21 + 10 + 62 + 0 + 570 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1846077 + ... + 1910552.

It is an arithmetic number, because the mean of its divisors is an integer number (6818283450).

Almost surely, 2^121106205702 is an apocalyptic number.

121106205702 is an abundant number, since it is smaller than the sum of its proper divisors (151625132298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121106205702 is a wasteful number, since it uses less digits than its factorization.

121106205702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756842 (or 3756833 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 121106205702 its reverse (207502601121), we get a palindrome (328608806823).

The spelling of 121106205702 in words is "one hundred twenty-one billion, one hundred six million, two hundred five thousand, seven hundred two".