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10211211002122 = 2131379572846821
BaseRepresentation
bin1001010010010111101110…
…0110101100000100001010
31100011011220211222212001121
42110211323212230010022
52314300030004031442
633414544321505454
72102510220263554
oct224457346540412
940134824885047
1010211211002122
113287606450029
12118b001aa228a
13590bb400c060
142743221284d4
1512a93c735967
hex9497b9ac10a

10211211002122 has 16 divisors (see below), whose sum is σ = 16495158517992. Its totient is φ = 4712830799040.

The previous prime is 10211211002117. The next prime is 10211211002147. The reversal of 10211211002122 is 22120011211201.

It can be written as a sum of positive squares in 4 ways, for example, as 7011051369921 + 3200159632201 = 2647839^2 + 1788899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10211211002096 and 10211211002105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2163472 + ... + 5010292.

Almost surely, 210211211002122 is an apocalyptic number.

10211211002122 is a deficient number, since it is larger than the sum of its proper divisors (6283947515870).

10211211002122 is a wasteful number, since it uses less digits than its factorization.

10211211002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984793.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10211211002122 its reverse (22120011211201), we get a palindrome (32331222213323).

The spelling of 10211211002122 in words is "ten trillion, two hundred eleven billion, two hundred eleven million, two thousand, one hundred twenty-two".

Divisors: 1 2 13 26 137957 275914 1793441 2846821 3586882 5693642 37008673 74017346 392738884697 785477769394 5105605501061 10211211002122