211450103402 has 4 divisors (see below), whose sum is σ = 317175155106. Its totient is φ = 105725051700.

The previous prime is 211450103399. The next prime is 211450103453. The reversal of 211450103402 is 204301054112.

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., 195752268721 + 15697834681 = 442439^2 + 125291^2 .

It is a super-2 number, since 2×211450103402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52862525849 + ... + 52862525852.

Almost surely, 2^211450103402 is an apocalyptic number.

211450103402 is a deficient number, since it is larger than the sum of its proper divisors (105725051704).

211450103402 is a wasteful number, since it uses less digits than its factorization.

211450103402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105725051703.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 211450103402 its reverse (204301054112), we get a palindrome (415751157514).

The spelling of 211450103402 in words is "two hundred eleven billion, four hundred fifty million, one hundred three thousand, four hundred two".